81933621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 140265984

約数和(自身を除く): 58332363

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 211, 231, 287, 451, 633, 861, 1353, 1477, 1681, 2321, 3157, 4431, 5043, 6963, 8651, 9471, 11767, 16247, 18491, 25953, 35301, 48741, 55473, 60557, 95161, 129437, 181671, 285483, 354691, 388311, 666127, 1064073, 1998381, 2482837, 3901601, 7448511, 11704803, 27311207, 81933621]

約数ペア:

[(1, 81933621), (3, 27311207), (7, 11704803), (11, 7448511), (21, 3901601), (33, 2482837), (41, 1998381), (77, 1064073), (123, 666127), (211, 388311), (231, 354691), (287, 285483), (451, 181671), (633, 129437), (861, 95161), (1353, 60557), (1477, 55473), (1681, 48741), (2321, 35301), (3157, 25953), (4431, 18491), (5043, 16247), (6963, 11767), (8651, 9471)]